| package org.projectfloodlight.openflow.types; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| |
| import com.google.common.hash.PrimitiveSink; |
| |
| public class OFChecksum128 implements OFValueType<OFChecksum128> { |
| |
| static final int LENGTH = 16; |
| |
| private final long raw1; // MSBs |
| private final long raw2; // LSBs |
| |
| public static final OFChecksum128 ZERO = new OFChecksum128(0, 0); |
| |
| private OFChecksum128(long raw1, long raw2) { |
| this.raw1 = raw1; |
| this.raw2 = raw2; |
| } |
| |
| public static OFChecksum128 of(long raw1, long raw2) { |
| if (raw1 == 0 && raw2 == 0) |
| return ZERO; |
| return new OFChecksum128(raw1, raw2); |
| } |
| |
| @Override |
| public int getLength() { |
| return LENGTH; |
| } |
| |
| @Override |
| public OFChecksum128 applyMask(OFChecksum128 mask) { |
| return of(this.raw1 & mask.raw1, this.raw2 & mask.raw2); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof OFChecksum128)) |
| return false; |
| OFChecksum128 other = (OFChecksum128)obj; |
| return (other.raw1 == this.raw1 && other.raw2 == this.raw2); |
| } |
| |
| @Override |
| public int hashCode() { |
| return (int)(31 * raw1 + raw2); |
| } |
| |
| public void write16Bytes(ChannelBuffer cb) { |
| cb.writeLong(raw1); |
| cb.writeLong(raw2); |
| } |
| |
| public static OFChecksum128 read16Bytes(ChannelBuffer cb) { |
| long raw1 = cb.readLong(); |
| long raw2 = cb.readLong(); |
| return of(raw1, raw2); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("0x%016x%016x", raw1, raw2); |
| } |
| |
| @Override |
| public int compareTo(OFChecksum128 o) { |
| long c = this.raw1 - o.raw1; |
| if (c != 0) |
| return Long.signum(c); |
| return Long.signum(this.raw2 - o.raw2); |
| } |
| |
| @Override |
| public void putTo(PrimitiveSink sink) { |
| sink.putLong(raw1); |
| sink.putLong(raw2); |
| } |
| |
| } |